WO2008011238A3 - Thermal protection for lamp ballasts - Google Patents

Thermal protection for lamp ballasts Download PDF

Info

Publication number
WO2008011238A3
WO2008011238A3 PCT/US2007/071330 US2007071330W WO2008011238A3 WO 2008011238 A3 WO2008011238 A3 WO 2008011238A3 US 2007071330 W US2007071330 W US 2007071330W WO 2008011238 A3 WO2008011238 A3 WO 2008011238A3
Authority
WO
WIPO (PCT)
Prior art keywords
thermal protection
lamp ballasts
ballast
temperature
ballasts
Prior art date
Application number
PCT/US2007/071330
Other languages
French (fr)
Other versions
WO2008011238A2 (en
Inventor
Venkatesh Chitta
Mark S Taipale
Jonathan Quayle
Thomas R Hinds
Original Assignee
Lutron Electronics Co
Venkatesh Chitta
Mark S Taipale
Jonathan Quayle
Thomas R Hinds
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lutron Electronics Co, Venkatesh Chitta, Mark S Taipale, Jonathan Quayle, Thomas R Hinds filed Critical Lutron Electronics Co
Priority to MX2009000662A priority Critical patent/MX2009000662A/en
Priority to JP2009520873A priority patent/JP2009544142A/en
Priority to CA002658106A priority patent/CA2658106A1/en
Priority to EP07798633A priority patent/EP2044815A2/en
Priority to BRPI0714234-0A priority patent/BRPI0714234A2/en
Priority to CN2007800320173A priority patent/CN101513131B/en
Publication of WO2008011238A2 publication Critical patent/WO2008011238A2/en
Publication of WO2008011238A3 publication Critical patent/WO2008011238A3/en
Priority to IL196506A priority patent/IL196506A0/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2986—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)

Abstract

The output current of a ballast is dynamically limited when an over-temperature condition is detected in the ballast according to one of (i) a step function or (ii) a combination of step and continuous functions, so as to reduce the temperature of the ballast while continuing to operate it.
PCT/US2007/071330 2006-07-18 2007-06-15 Thermal protection for lamp ballasts WO2008011238A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
MX2009000662A MX2009000662A (en) 2006-07-18 2007-06-15 Thermal protection for lamp ballasts.
JP2009520873A JP2009544142A (en) 2006-07-18 2007-06-15 Thermal protection for lighting system ballasts
CA002658106A CA2658106A1 (en) 2006-07-18 2007-06-15 Thermal protection for lamp ballasts
EP07798633A EP2044815A2 (en) 2006-07-18 2007-06-15 Thermal protection for lamp ballasts
BRPI0714234-0A BRPI0714234A2 (en) 2006-07-18 2007-06-15 thermal protection for lamp reactors
CN2007800320173A CN101513131B (en) 2006-07-18 2007-06-15 Thermal protection for lamp ballasts
IL196506A IL196506A0 (en) 2006-07-18 2009-01-14 Thermal protection for lamp ballasts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/489,145 US7675250B2 (en) 2003-11-12 2006-07-18 Thermal protection for lamp ballasts
US11/489,145 2006-07-18

Publications (2)

Publication Number Publication Date
WO2008011238A2 WO2008011238A2 (en) 2008-01-24
WO2008011238A3 true WO2008011238A3 (en) 2008-03-20

Family

ID=38957457

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/071330 WO2008011238A2 (en) 2006-07-18 2007-06-15 Thermal protection for lamp ballasts

Country Status (9)

Country Link
US (2) US7675250B2 (en)
EP (1) EP2044815A2 (en)
JP (1) JP2009544142A (en)
CN (1) CN101513131B (en)
BR (1) BRPI0714234A2 (en)
CA (1) CA2658106A1 (en)
IL (1) IL196506A0 (en)
MX (1) MX2009000662A (en)
WO (1) WO2008011238A2 (en)

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US7675250B2 (en) * 2003-11-12 2010-03-09 Lutron Electronics Co., Inc. Thermal protection for lamp ballasts
EP1926351B1 (en) * 2006-11-08 2012-12-19 MathBright Technology Co., Ltd. Driving circuit of surface light source and method of driving the same
DE102008018808A1 (en) * 2008-04-15 2009-10-22 Ledon Lighting Jennersdorf Gmbh Microcontroller optimized pulse width modulation (PWM) control of a light emitting diode (LED)
JP5332634B2 (en) * 2009-01-19 2013-11-06 岩崎電気株式会社 High pressure discharge lamp lighting device
US8183810B2 (en) 2009-09-08 2012-05-22 Hoffman Enclosures, Inc. Method of operating a motor
US8297369B2 (en) 2009-09-08 2012-10-30 Sta-Rite Industries, Llc Fire-extinguishing system with servo motor-driven foam pump
US8164293B2 (en) 2009-09-08 2012-04-24 Hoffman Enclosures, Inc. Method of controlling a motor
CN102032467B (en) * 2009-09-29 2014-06-11 松下电器产业株式会社 Lighting device
US8541960B2 (en) 2010-05-28 2013-09-24 Zilog, Inc. Rejecting noise transients while turning off a fluorescent lamp using a starter unit
DE102010036444B4 (en) * 2010-07-16 2012-03-22 Vossloh-Schwabe Deutschland Gmbh Method and device for dimming a light source by means of a microcontroller
US20120062120A1 (en) * 2010-09-14 2012-03-15 Riesebosch Scott A Thermal foldback circuit with dimmer monitor
US8669715B2 (en) 2011-04-22 2014-03-11 Crs Electronics LED driver having constant input current
US8669711B2 (en) 2011-04-22 2014-03-11 Crs Electronics Dynamic-headroom LED power supply
US8476847B2 (en) 2011-04-22 2013-07-02 Crs Electronics Thermal foldback system
US8803432B2 (en) 2011-05-10 2014-08-12 Lutron Electronics Co., Inc. Method and apparatus for determining a target light intensity from a phase-control signal
US8934209B2 (en) * 2011-10-20 2015-01-13 Dell Products L.P. Information handling system power supply automated de-rating for power output and thermal constraints
US8860313B2 (en) 2011-11-30 2014-10-14 Lutron Electronics Co., Inc. Universal-voltage self-heating thermal detector
GB201207874D0 (en) * 2012-05-04 2012-06-20 Control Tech Ltd Inverter controller and method of controlling an inverter
US8901853B2 (en) * 2012-07-11 2014-12-02 Analog Devices, Inc. Multi-string LED drive system
US8946995B2 (en) * 2013-01-23 2015-02-03 Infineon Technologies Austria Ag LED driver circuit
US9462660B2 (en) 2013-02-26 2016-10-04 Lutron Electronics Co., Inc. Controlling an electronic dimming ballast during low temperature or low mercury conditions
US10120398B2 (en) * 2014-03-28 2018-11-06 Infineon Technologies Ag Temperature dependent current limiting
US9485813B1 (en) 2015-01-26 2016-11-01 Ketra, Inc. Illumination device and method for avoiding an over-power or over-current condition in a power converter
CN104797060B (en) * 2015-05-13 2017-11-10 昂宝电子（上海）有限公司 For the temperature controlled system and method in LED illumination system
KR102554373B1 (en) * 2021-01-22 2023-07-11 석근수 Xenon lamp ballast output controlling device

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US6137240A (en) * 1998-12-31 2000-10-24 Lumion Corporation Universal ballast control circuit
EP1047286A1 (en) * 1999-04-22 2000-10-25 Hella KG Hueck & Co. Ballast for discharge lamp in automobile
US6166491A (en) * 1998-06-04 2000-12-26 Toshiba Lighting & Technology Corporation Lighting device and display equipment
US6198234B1 (en) * 1999-06-09 2001-03-06 Linfinity Microelectronics Dimmable backlight system
DE10013041A1 (en) * 2000-03-17 2001-09-27 Trilux Lenze Gmbh & Co Kg Operating light with fluorescent lamp involves setting manufacturer's rated loading for detected lamp type in normal operation, reducing/ending if critical temperature reached/exceeded
US20050099142A1 (en) * 2003-11-12 2005-05-12 Cottongim David E. Thermal protection for lamp ballasts
US20050156534A1 (en) * 2004-01-15 2005-07-21 In-Hwan Oh Full digital dimming ballast for a fluorescent lamp
US20050225256A1 (en) * 2003-10-01 2005-10-13 Scolaro Martin S Method and apparatus for lamp heat control
US20060017389A1 (en) * 2004-07-12 2006-01-26 Shi Youl Noh Lamp dimming control device using temperature compensation

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US7675250B2 (en) 2003-11-12 2010-03-09 Lutron Electronics Co., Inc. Thermal protection for lamp ballasts
US7619539B2 (en) * 2004-02-13 2009-11-17 Lutron Electronics Co., Inc. Multiple-input electronic ballast with processor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6166491A (en) * 1998-06-04 2000-12-26 Toshiba Lighting & Technology Corporation Lighting device and display equipment
US6137240A (en) * 1998-12-31 2000-10-24 Lumion Corporation Universal ballast control circuit
EP1047286A1 (en) * 1999-04-22 2000-10-25 Hella KG Hueck & Co. Ballast for discharge lamp in automobile
US6198234B1 (en) * 1999-06-09 2001-03-06 Linfinity Microelectronics Dimmable backlight system
DE10013041A1 (en) * 2000-03-17 2001-09-27 Trilux Lenze Gmbh & Co Kg Operating light with fluorescent lamp involves setting manufacturer's rated loading for detected lamp type in normal operation, reducing/ending if critical temperature reached/exceeded
US20050225256A1 (en) * 2003-10-01 2005-10-13 Scolaro Martin S Method and apparatus for lamp heat control
US20050099142A1 (en) * 2003-11-12 2005-05-12 Cottongim David E. Thermal protection for lamp ballasts
US20050156534A1 (en) * 2004-01-15 2005-07-21 In-Hwan Oh Full digital dimming ballast for a fluorescent lamp
US20060017389A1 (en) * 2004-07-12 2006-01-26 Shi Youl Noh Lamp dimming control device using temperature compensation

Also Published As

Publication number Publication date
US7675250B2 (en) 2010-03-09
US20060255751A1 (en) 2006-11-16
US20100171435A1 (en) 2010-07-08
WO2008011238A2 (en) 2008-01-24
BRPI0714234A2 (en) 2013-01-15
JP2009544142A (en) 2009-12-10
CN101513131A (en) 2009-08-19
US7940015B2 (en) 2011-05-10
CN101513131B (en) 2012-08-15
CA2658106A1 (en) 2008-01-24
EP2044815A2 (en) 2009-04-08
IL196506A0 (en) 2009-12-24
MX2009000662A (en) 2009-03-25

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